Conduit solders technology

Conduit of domestic and international oil gas solders the technology develops overview
Sui Yongli of Xue Zhenkui of academy of science of bureau of conduit of Chinese oil natural gas
0 foreword
The oil gas resource of our country distributings for the most part northeastern with northwest area, and of the south in consuming market majority to be mixed littoral in southeast big in the population such as the city is concentrated area, the serious depart of market of this kind of produce and sale makes the transportation of oil gas product becomes development of oil gas resource and the biggest obstacle that use. The canal is defeated is the optimal method that breaks through this one obstacle, carry photograph comparing with railroad, conduit is carried is volume big, security is higher, more oil gas product of economy carries kind, its build investment to be the half of railroad, carriage cost has 1/3 only more. Accordingly, our country government already will " strengthen pipeline of gas transporting oil to build, form conduit to carry a network " development strategy included " 15 " development program. The basis concerns the program of the respect, future inside 10 years, our country will build duct of 14 oil gas to, form " library of two vertical, two horizontal strokes, 4 hubs, 5 gas " , overall length exceeds the oil gas canal of 10 thousand kilometers to be defeated by pattern. This adumbrative our country is about to greet the fastigium that oil gas conduit builds.
The plumbing of key natural gas that our country is building and plans to will build has: Enrage on the west east be defeated by a project, full-length 4176 kilometers, always invest 120 billion yuan, formal this year in September start is built, 2004 all fronts be well versed in; Acerbity Ning Lan is defeated by tracheal path project, full-length 950 kilometers, already in May 2000 start working is built, already was close to at present finishing, natural gas already sent Xining; Faithful county is defeated by tracheal path project to Wuhan, full-length 760 kilometers, pre-construction job already achieved significant progress, there already were 4 be well versed ins in 11 channel that establish; Shijiazhuang is defeated by tracheal path project to Zhuo city, full-length 202 kilometers, already in May 2000 start working is built, already was close to at present finishing; Shijiazhuang is defeated by tracheal path project to Han Dan, make an appointment with 160 kilometers endlong; Shaanxi pacify edge loses gas project multiple track to Beijing; Shaanxi pacify edge loses multiple track of tracheal path project to Xi'an; Shan Ganning is defeated by gas project to Huhhot, full-length 497 kilometers; Plumbing of Hainan island natural gas, make an appointment with 270 kilometers endlong; Shandong dragon mouth is defeated by tracheal path project to Qingdao, make an appointment with 250 kilometers endlong; Russia is defeated by tracheal path project in, chinese churchyard is full-length 2000 kilometers; Project of Guangdong liquefied natural gas, capital attraction job already was finished, plan to built 2005. Have in the petroleum pipeline line that build and will build: Oily plumbing of Lan Chengyu finished product, full-length 1207 kilometers, already last year start working will be built in May; Russian petroleum pipeline in project, chinese churchyard grows about 700 kilometers; Project of petroleum pipeline path is breathed out in, chinese churchyard grows 800 kilometers. In addition, by Guangdong luxuriant name is as long as to Kunming to Guiyang the line of finished product vitta of 2000 kilometers and the crude oil cop that press down the sea to reach Shanghai, Nanjing also be about to start working construction. Except mainstay line, large-scale city is defeated by tracheal net construction to also want form a complete set of the corresponding period to undertake.
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